Semiconductor device, semiconductor package, and electronic device

1. An electronic device comprising: a circuit substrate; a first semiconductor package disposed on the circuit substrate; a second semiconductor package provided on the circuit substrate and spaced apart from the first semiconductor package; an insulating electromagnetic shielding structure provided on top and lateral surfaces of the first semiconductor package, the insulating electromagnetic shielding structure including: a first polarizer having a plurality of first polarizing elements arranged in a first pattern so as to have a first transmission axis; and a second polarizer having a plurality of polarizing elements arranged in a second pattern so as to have a second transmission axis orthogonal to the first transmission axis of the first polarizer; a conductive electromagnetic shielding structure provided on the circuit substrate and configured to cover the first and second semiconductor packages and the insulating electromagnetic shielding structure; and a vacant space between the first semiconductor package and the conductive electromagnetic shielding structure, wherein the vacant space is interposed between the insulating electromagnetic shielding structure and the conductive electromagnetic shielding structure.

2. An electronic device comprising: a first semiconductor chip; a second semiconductor chip; and an insulating electromagnetic shielding structure interposed between the first and second semiconductor chips, wherein the insulating electromagnetic shielding structure includes: a first polarizer having a plurality of polarizing elements disposed on a first base and arranged in a first pattern so as to have a first transmission axis; and a second polarizer having a plurality of polarizing elements disposed on a second base and arranged in a second pattern so as to have a second transmission axis different from the first transmission axis.

3. The device of claim 2 , further comprising a package substrate, wherein the first and second semiconductor chips are provided on the package substrate.

4. The device of claim 3 , wherein the first and second semiconductor chips are vertically stacked on the package substrate.

5. The device of claim 3 , wherein the first and second semiconductor chips are spaced apart from each other on the package substrate in a horizontal direction.

6. An electronic device, comprising: a circuit substrate including a ground pad to provide an electrical grounding point; at least one first semiconductor chip package disposed on the circuit substrate; an insulative electromagnetic shielding structure including an enclosed portion and an exposed portion, the enclosed portion disposed on the at least one first semiconductor chip package and the circuit substrate, the insulating electromagnetic shielding structure including: a first polarizer having a plurality of first polarizing elements disposed on a first base and arranged in a first pattern so as to have a first transmission axis; and a second polarizer having a plurality of polarizing elements disposed on a second base and arranged in a second pattern so as to have a second transmission axis orthogonal to the first transmission axis of the first polarizer; and a conductive electromagnetic shielding structure surrounding the enclosed portion of the insulative electromagnetic shielding member and penetrating therethrough to contact the ground pad such that the conductive electromagnetic shielding member is grounded.

7. The electronic device of claim 6 , further comprising a semiconductor chip disposed on the circuit substrate and exterior to the conductive electromagnetic shielding member, the exposed portion of the insulative electromagnetic shielding structure disposed on the semiconductor chip and the circuit substrate.

8. The electronic device of claim 6 , further comprising: a vacant space between the first semiconductor package and the conductive electromagnetic shielding structure.

9. The electronic device of claim 8 , wherein the vacant space is interposed between the insulating electromagnetic shielding structure and the conductive electromagnetic shielding structure.